88873221 has 4 divisors (see below), whose sum is σ = 118497632. Its totient is φ = 59248812.

The previous prime is 88873207. The next prime is 88873261. The reversal of 88873221 is 12237888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88873221 - 2¹⁰ = 88872197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 88873221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88873261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14812201 + ... + 14812206.

It is an arithmetic number, because the mean of its divisors is an integer number (29624408).

Almost surely, 2^88873221 is an apocalyptic number.

It is an amenable number.

88873221 is a deficient number, since it is larger than the sum of its proper divisors (29624411).

88873221 is a wasteful number, since it uses less digits than its factorization.

88873221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29624410.

The product of its digits is 43008, while the sum is 39.

The square root of 88873221 is about 9427.2594639163. The cubic root of 88873221 is about 446.2624103446.

The spelling of 88873221 in words is "eighty-eight million, eight hundred seventy-three thousand, two hundred twenty-one".